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17 February 2013

Seriously Behind; U.S. Near the Bottom In Weather Forecast Computer Power (Guest post by Cliff Mass)

The difference between numerical weather prediction models grows with time. In most cases these days, the model fo choice is the one run in London by the ECMWF.

Besides the increasing gap in weather satellite technology, Europe and Japan are also well ahead in computer power available for numerical weather prediction models. Almost every U.S. forecast meteorologist this winter has relied on the global model from the European Center for Medium Range Weather Forecasting, (based in London) rather than the NOAA Global Forecast system. Short range forecasts are handled well by the NOAA high-resolution models centered over North America, but for forecasts beyond three days a global model is needed. …

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